Ph.D. Organic Chemist in Central New Jersey

Non-linear
optical (NLO) phenomena may occur in materials which, when excited by
laser
light impulses, undergo large changes in their molecular dipoles. Such
materials will also have large ground-state dipoles.

Frequency
doubling is a one such NLO phenomenon. This means that light is
absorbed at a
given wavelength, and emitted at half of that wavelength.
Download a detailed explanation of the physical
phenomena from here.

Such
materials are used as waveguides, switches and emitters in high-speedoptical-electrical data
systems.

Metallocyclophanes
are flat, dimeric structures formed by the self-assembly of
oligopyridine quinoxaline-type ligands with kinetically labile metal
ions, such as copper(I), silver(I) or cobalt(II) - see Equation 1.

Are used as waveguides, switches and emitters in high-speedoptical-electrical data
systems.

According
to computations performed by Professor L. Burke of this Department,
attaching
either electron-donating or â€“withdrawing groups to the
metallocyclophanes
will produce a new sort of potent frequency doubling materials.

The
object of this research is to synthesize important candidate molecules
and to
verify the prediction of frequency doubling through work with yet other
collaborators.

The
dicopper(I) metallocyclophanes of compounds 4, 5 and 6 are three such candidate
molecules, and which we
have either recently prepared or are now preparing.